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Consider a container of 2 gram of hydrogen, H2 (one mole). Assume you removed all the electrons and moved them to the other side of the earth (Earths radius is 6380 kilometer, k = 1/4pie0 = 9.0 x 109 N x m2/C2, NA = 6.022 x 1023 molecules/mole, e = 1.60 x 10-19 C)
(a) Find how much charge is left behind after you remove the electrons?
(b) Find what electric force do the protons exert on the electrons after they are separated as described?
To get back to the shuttle, the astronaut unstraps a 10-kg tool kit and throws it away with a speed of 8 m/s. In the script, the astronaut, who has a mass of 80 kg without the toolkit, survives, but is this accurate.
a segment of wire carries a current of 25 a along the x axis from x -2.0 m to x 0 and then along the z axis from z0 to
A uniform diving board, of length 5.21 m and mass 50.4 kg, is supported at two points; one support is located L1 = 3.32 m from the end of the board and the second is at 4.89 m from the end. What is the force acting on the board due to the right sup..
if 61.5 l of oxygen at 18c and an absolute pressure of 2.45 atm are compressed to 48.8l and at the same time the
In order better to map the surface features of the Moon, a 325-kg imaging satellite is put into circular orbit around the Moon at an altitude of 1.31 × 102 km
The football started on the ground 63yrds from the base of the goal posts and just barely cleared the 10ft high bar. How long after the ball was struck did it past through the goal posts
A diver springs upward from a board that is 4.50 m above the water. At the instant she contacts the water her speed is 12.5 m/s and herbody makes an angle of 84.9 ° with respect to the horizontal surface of the water. Determine her initial velocit..
A mass of 1.85 kg is moving 0.413 m/s when it drops into a student's hand. What is the average force that the hand exerts on the mass
Treating our rigid legged friend as a particle, what is the average force his feet exert on the ground as he slows down.
A nonconducting solid sphere of radius R carries a volume charge density that is proportional to the distance from the center: ? = Ar for r ? R, where A is a constant; ? = 0 for r > R. Find the total charge in the sphere
A 2.2 nF capacitor and a capacitor of unknown capacitance are connected in parallel across a 12 Volt rms sine-wave generator. Compute the unknown capacitance
A current of 38.9mA flows in a silver wire of diameter 3.33 mm. Find the electric field strength inside the wire
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